RetroShare/libretroshare/src/retroshare/rsgxsifacehelper.h
Gioacchino Mazzurco ab80d9a374
Fix compilation, retrocompatibility and enums
Workaround miss-behaviour on old Android phones
Cleanup indentation a bit
Consistent param naming
Introduce default parameter values also for output paramethers
2019-04-05 01:43:23 +02:00

345 lines
13 KiB
C++

/*******************************************************************************
* libretroshare/src/retroshare: rsgxsifacehelper.h *
* *
* libretroshare: retroshare core library *
* *
* Copyright 2011 by Christopher Evi-Parker *
* Copyright (C) 2018-2019 Gioacchino Mazzurco <gio@eigenlab.org> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#pragma once
#include <chrono>
#include <thread>
#include "retroshare/rsgxsiface.h"
#include "retroshare/rsreputations.h"
#include "rsgxsflags.h"
#include "util/rsdeprecate.h"
/*!
* This class only make method of internal members visible tu upper level to
* offer a more friendly API.
* This is just a workaround to awkward GXS API design, do not take it as an
* example for your coding.
* To properly fix the API design many changes with the implied chain reactions
* are necessary, so at this point this workaround seems acceptable.
*/
struct RsGxsIfaceHelper
{
/*!
* @param gxs handle to RsGenExchange instance of service (Usually the
* service class itself)
*/
RsGxsIfaceHelper(RsGxsIface& gxs) :
mGxs(gxs), mTokenService(*gxs.getTokenService()) {}
~RsGxsIfaceHelper(){}
/*!
* Gxs services should call this for automatic handling of
* changes, send
* @param changes
*/
void receiveChanges(std::vector<RsGxsNotify *> &changes)
{
mGxs.receiveChanges(changes);
}
/* Generic Lists */
/*!
* Retrieve list of group ids associated to a request token
* @param token token to be redeemed for this request
* @param groupIds the ids return for given request token
* @return false if request token is invalid, check token status for error report
*/
bool getGroupList(const uint32_t &token,
std::list<RsGxsGroupId> &groupIds)
{
return mGxs.getGroupList(token, groupIds);
}
/*!
* Retrieves list of msg ids associated to a request token
* @param token token to be redeemed for this request
* @param msgIds the ids return for given request token
* @return false if request token is invalid, check token status for error report
*/
bool getMsgList(const uint32_t &token,
GxsMsgIdResult& msgIds)
{
return mGxs.getMsgList(token, msgIds);
}
/*!
* Retrieves list of msg related ids associated to a request token
* @param token token to be redeemed for this request
* @param msgIds the ids return for given request token
* @return false if request token is invalid, check token status for error report
*/
bool getMsgRelatedList(const uint32_t &token, MsgRelatedIdResult &msgIds)
{
return mGxs.getMsgRelatedList(token, msgIds);
}
/*!
* @param token token to be redeemed for group summary request
* @param groupInfo the ids returned for given request token
* @return false if request token is invalid, check token status for error report
*/
bool getGroupSummary(const uint32_t &token,
std::list<RsGroupMetaData> &groupInfo)
{
return mGxs.getGroupMeta(token, groupInfo);
}
/*!
* @param token token to be redeemed for message summary request
* @param msgInfo the message metadata returned for given request token
* @return false if request token is invalid, check token status for error report
*/
bool getMsgSummary(const uint32_t &token,
GxsMsgMetaMap &msgInfo)
{
return mGxs.getMsgMeta(token, msgInfo);
}
/*!
* @param token token to be redeemed for message related summary request
* @param msgInfo the message metadata returned for given request token
* @return false if request token is invalid, check token status for error report
*/
bool getMsgRelatedSummary(const uint32_t &token, GxsMsgRelatedMetaMap &msgInfo)
{
return mGxs.getMsgRelatedMeta(token, msgInfo);
}
/*!
* subscribes to group, and returns token which can be used
* to be acknowledged to get group Id
* @param token token to redeem for acknowledgement
* @param grpId the id of the group to subscribe to
*/
bool subscribeToGroup(uint32_t& token, const RsGxsGroupId& grpId, bool subscribe)
{
return mGxs.subscribeToGroup(token, grpId, subscribe);
}
/*!
* This allows the client service to acknowledge that their msgs has
* been created/modified and retrieve the create/modified msg ids
* @param token the token related to modification/create request
* @param msgIds map of grpid->msgIds of message created/modified
* @return true if token exists false otherwise
*/
bool acknowledgeMsg(const uint32_t& token, std::pair<RsGxsGroupId, RsGxsMessageId>& msgId)
{
return mGxs.acknowledgeTokenMsg(token, msgId);
}
/*!
* This allows the client service to acknowledge that their grps has
* been created/modified and retrieve the create/modified grp ids
* @param token the token related to modification/create request
* @param msgIds vector of ids of groups created/modified
* @return true if token exists false otherwise
*/
bool acknowledgeGrp(const uint32_t& token, RsGxsGroupId& grpId)
{
return mGxs.acknowledgeTokenGrp(token, grpId);
}
/*!
* Gets service statistic for a given services
* @param token value to to retrieve requested stats
* @param stats the status
* @return true if token exists false otherwise
*/
bool getServiceStatistic(const uint32_t& token, GxsServiceStatistic& stats)
{
return mGxs.getServiceStatistic(token, stats);
}
/*!
*
* @param token to be redeemed
* @param stats the stats associated to token request
* @return true if token is false otherwise
*/
bool getGroupStatistic(const uint32_t& token, GxsGroupStatistic& stats)
{
return mGxs.getGroupStatistic(token, stats);
}
/*!
* This determines the reputation threshold messages need to surpass in order
* for it to be accepted by local user from remote source
* NOTE: threshold only enforced if service require author signature
* @param token value set to be redeemed with acknowledgement
* @param grpId group id for cutoff value to be set
* @param CutOff The cut off value to set
*/
void setGroupReputationCutOff(uint32_t& token, const RsGxsGroupId& grpId, int CutOff)
{
return mGxs.setGroupReputationCutOff(token, grpId, CutOff);
}
/*!
* @return storage/sync time of messages in secs
*/
uint32_t getDefaultStoragePeriod()
{
return mGxs.getDefaultStoragePeriod();
}
uint32_t getStoragePeriod(const RsGxsGroupId& grpId)
{
return mGxs.getStoragePeriod(grpId);
}
void setStoragePeriod(const RsGxsGroupId& grpId,uint32_t age_in_secs)
{
mGxs.setStoragePeriod(grpId,age_in_secs);
}
uint32_t getDefaultSyncPeriod()
{
return mGxs.getDefaultSyncPeriod();
}
uint32_t getSyncPeriod(const RsGxsGroupId& grpId)
{
return mGxs.getSyncPeriod(grpId);
}
void setSyncPeriod(const RsGxsGroupId& grpId,uint32_t age_in_secs)
{
mGxs.setSyncPeriod(grpId,age_in_secs);
}
RsReputationLevel minReputationForForwardingMessages(
uint32_t group_sign_flags, uint32_t identity_flags )
{
return mGxs.minReputationForForwardingMessages(group_sign_flags,identity_flags);
}
/// @see RsTokenService::requestGroupInfo
bool requestGroupInfo( uint32_t& token, const RsTokReqOptions& opts,
const std::list<RsGxsGroupId> &groupIds )
{ return mTokenService.requestGroupInfo(token, 0, opts, groupIds); }
/// @see RsTokenService::requestGroupInfo
bool requestGroupInfo(uint32_t& token, const RsTokReqOptions& opts)
{ return mTokenService.requestGroupInfo(token, 0, opts); }
/// @see RsTokenService::requestMsgInfo
bool requestMsgInfo( uint32_t& token,
const RsTokReqOptions& opts, const GxsMsgReq& msgIds )
{ return mTokenService.requestMsgInfo(token, 0, opts, msgIds); }
/// @see RsTokenService::requestMsgInfo
bool requestMsgInfo(
uint32_t& token, const RsTokReqOptions& opts,
const std::list<RsGxsGroupId>& grpIds )
{ return mTokenService.requestMsgInfo(token, 0, opts, grpIds); }
/// @see RsTokenService::requestMsgRelatedInfo
bool requestMsgRelatedInfo(
uint32_t& token, const RsTokReqOptions& opts,
const std::vector<RsGxsGrpMsgIdPair>& msgIds )
{ return mTokenService.requestMsgRelatedInfo(token, 0, opts, msgIds); }
/**
* @jsonapi{development}
* @param[in] token
*/
RsTokenService::GxsRequestStatus requestStatus(uint32_t token)
{ return mTokenService.requestStatus(token); }
/// @see RsTokenService::requestServiceStatistic
void requestServiceStatistic(uint32_t& token)
{ mTokenService.requestServiceStatistic(token); }
/// @see RsTokenService::requestGroupStatistic
void requestGroupStatistic(uint32_t& token, const RsGxsGroupId& grpId)
{ mTokenService.requestGroupStatistic(token, grpId); }
/// @see RsTokenService::cancelRequest
bool cancelRequest(uint32_t token)
{ return mTokenService.cancelRequest(token); }
/**
* @deprecated
* Token service methods are already exposed by this helper, so you should
* not need to get token service pointer directly anymore.
*/
RS_DEPRECATED RsTokenService* getTokenService() { return &mTokenService; }
protected:
/**
* Block caller while request is being processed.
* Useful for blocking API implementation.
* @param[in] token token associated to the request caller is waiting for
* @param[in] maxWait maximum waiting time in milliseconds
* @param[in] checkEvery time in millisecond between status checks
*/
RsTokenService::GxsRequestStatus waitToken(
uint32_t token,
std::chrono::milliseconds maxWait = std::chrono::milliseconds(500),
std::chrono::milliseconds checkEvery = std::chrono::milliseconds(2))
{
#if defined(__ANDROID__) && (__ANDROID_API__ < 24)
auto wkStartime = std::chrono::steady_clock::now();
int maxWorkAroundCnt = 10;
LLwaitTokenBeginLabel:
#endif
auto timeout = std::chrono::steady_clock::now() + maxWait;
auto st = requestStatus(token);
while( !(st == RsTokenService::FAILED || st >= RsTokenService::COMPLETE)
&& std::chrono::steady_clock::now() < timeout )
{
std::this_thread::sleep_for(checkEvery);
st = requestStatus(token);
}
#if defined(__ANDROID__) && (__ANDROID_API__ < 24)
/* Work around for very slow/old android devices, we don't expect this
* to be necessary on newer devices. If it take unreasonably long
* something worser is already happening elsewere amd we return anyway.
*/
if( st > RsTokenService::FAILED && st < RsTokenService::COMPLETE
&& maxWorkAroundCnt-- > 0 )
{
maxWait *= 10;
checkEvery *= 3;
std::cerr << __PRETTY_FUNCTION__ << " Slow Android device "
<< " workaround st: " << st
<< " maxWorkAroundCnt: " << maxWorkAroundCnt
<< " maxWait: " << maxWait.count()
<< " checkEvery: " << checkEvery.count() << std::endl;
goto LLwaitTokenBeginLabel;
}
std::cerr << __PRETTY_FUNCTION__ << " lasted: "
<< std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now() - wkStartime ).count()
<< "ms" << std::endl;
#endif
return st;
}
private:
RsGxsIface& mGxs;
RsTokenService& mTokenService;
};